Burkert Type 8693 - Manual (Page 16)

16
Description of system
5.2. features of the valve types
Slanted.seat.control.
valves./.screw-down.
stop.globe.control.
valves Diaphragm.valves Ball.valves Flap.valves
Types • 2702
• 2712
• 2300
• 2301
• 2730
• 2103
• 2731
• 2652
• 2655
• 2658
• 2672
• 2675
Features • incoming flow under
seat
• closes smoothly
• straight flow path of
the medium
• self-adjusting
stuffing box for high
leak-tightness
• medium is hermeti-
cally separated from
the actuator and
environment
• cavity-free and self-
draining body design
• any flow direction
with low-turbulence
flow
• steam-sterilizable
• CIP-compliant
• closes smoothly
• actuator and dia-
phragm can be
removed when the
body is installed
• scrapable
• minimum dead
space
• unaffected by
contamination
• little pressure loss
compared to other
valve types
• seat and seal can
be exchanged in the
three-piece ball valve
when installed
Information
Can be used as
process controller only
• unaffected by
contamination
• little pressure loss
compared to other
valve types
• inexpensive
• low construction
volume
Typical.
media • water, steam and
gases
• alcohols, oils, pro-
pellants, hydraulic
fluids
• salt solutions, lyes
(organic)
• solvents
• neutral gases and
liquids
• contaminated,
abrasive and
aggressive media
• media of higher
viscosity
• neutral gases and
liquids
• clean water
• slightly aggressive
media
• neutral gases and
liquids
• slightly aggressive
media
Table 1: Features of the valve types
english
Type 8692, 8693